From 0a1c24adf81bced6328a585e956a1d05246e1acf Mon Sep 17 00:00:00 2001 From: David Leverton Date: Thu, 28 Aug 2014 21:36:08 +0100 Subject: Remove --enable-visibility Always enable for GCC (versions that don't have it are way too old anyway). Disable for clang for now because of http://llvm.org/bugs/show_bug.cgi?id=20521 --- configure.ac | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index a99e14257..8640008fd 100644 --- a/configure.ac +++ b/configure.ac @@ -450,25 +450,25 @@ CXXFLAGS="$save_CXXFLAGS" dnl {{{ visibility support AC_MSG_CHECKING([whether to enable visibility]) -AC_ARG_ENABLE([visibility], - AS_HELP_STRING([--enable-visibility], [Enable visibility (g++-4.1)]), - [ENABLE_VISIBILITY=$enableval], - [ENABLE_VISIBILITY=no]) -AC_MSG_RESULT([$ENABLE_VISIBILITY]) -AC_SUBST([ENABLE_VISIBILITY]) -if test "x$ENABLE_VISIBILITY" = "xyes" ; then - AC_MSG_CHECKING([for appropriate compiler visibility flags]) - old_PALUDIS_CXXFLAGS=$PALUDIS_CXXFLAGS - PALUDIS_CXXFLAGS= - CHECK_CXXFLAG([-fvisibility-inlines-hidden]) - CHECK_CXXFLAG([-fvisibility=hidden]) - AC_MSG_RESULT([$PALUDIS_CXXFLAGS]) - PALUDIS_CXXFLAGS_VISIBILITY="$PALUDIS_CXXFLAGS -DPALUDIS_ENABLE_VISIBILITY=1" - PALUDIS_CXXFLAGS=$old_PALUDIS_CXXFLAGS - PALUDIS_ENABLE_VISIBILITY=1 -else - PALUDIS_ENABLE_VISIBILITY=0 -fi +AC_PREPROC_IFELSE([AC_LANG_SOURCE([ +#if ! defined(__GNUC__) || defined(__clang__) +# error no/broken visibility +#endif +])], + [AC_MSG_RESULT([yes]) + AC_MSG_CHECKING([for appropriate compiler visibility flags]) + old_PALUDIS_CXXFLAGS=$PALUDIS_CXXFLAGS + PALUDIS_CXXFLAGS= + CHECK_CXXFLAG([-fvisibility-inlines-hidden]) + CHECK_CXXFLAG([-fvisibility=hidden]) + AC_MSG_RESULT([$PALUDIS_CXXFLAGS]) + PALUDIS_CXXFLAGS_VISIBILITY="$PALUDIS_CXXFLAGS -DPALUDIS_ENABLE_VISIBILITY=1" + PALUDIS_CXXFLAGS=$old_PALUDIS_CXXFLAGS + PALUDIS_ENABLE_VISIBILITY=1 + ], + [AC_MSG_RESULT([no]) + PALUDIS_ENABLE_VISIBILITY=0 + ]) AC_SUBST([PALUDIS_ENABLE_VISIBILITY]) AC_SUBST([PALUDIS_CXXFLAGS_VISIBILITY]) dnl }}} -- cgit v1.2.3